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14211031 = 171943997
BaseRepresentation
bin110110001101…
…011111010111
3222201222212111
4312031133113
512114223111
61224331451
7231535402
oct66153727
928658774
1014211031
118026a5a
124913b87
132c374c3
141c5cd39
1513aaa21
hexd8d7d7

14211031 has 8 divisors (see below), whose sum is σ = 15839280. Its totient is φ = 12670848.

The previous prime is 14211023. The next prime is 14211037. The reversal of 14211031 is 13011241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14211031 - 23 = 14211023 is a prime.

It is a super-2 number, since 2×142110312 = 403906804165922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14211037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21676 + ... + 22321.

It is an arithmetic number, because the mean of its divisors is an integer number (1979910).

Almost surely, 214211031 is an apocalyptic number.

14211031 is a deficient number, since it is larger than the sum of its proper divisors (1628249).

14211031 is a wasteful number, since it uses less digits than its factorization.

14211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44033.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 14211031 is about 3769.7521138664. The cubic root of 14211031 is about 242.2191796589.

Adding to 14211031 its reverse (13011241), we get a palindrome (27222272).

The spelling of 14211031 in words is "fourteen million, two hundred eleven thousand, thirty-one".

Divisors: 1 17 19 323 43997 747949 835943 14211031